— Oh it’s you. I you. Why are you looking so thin and pale?— I’ve been ill for weeks and

问题补充：

— Oh, it’s you. I you. Why are you looking so thin and pale?

— I’ve been ill for weeks and still under treatment.

A. can’t recognize

B. could hardly recognize

C. haven’t recognized

D. wasn’t recognizing

答案：

A. can’t recognize

(答案→)B. could hardly recognize

C. haven’t recognized

D. wasn’t recognizing

解析：考查时态。从it’s you这句中的谓语动词is，可以知道“我现在已经认出你来了。但刚才却几乎没有认出你来”。所以答案应该从过去时着手。又因为D项运用的是过去进行时，而recognise, realise, know, understand等表示心里的动词一般不运用进行时态。可以把D项改成：didn’t recognise.